KTY81-1 查看數據表（PDF） - Philips Electronics

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KTY81-1

Silicon temperature sensors

Philips Electronics 

Philips Semiconductors

Silicon temperature sensors

Product specification

KTY81-1 series

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

Icont

continuous sensor current

Tamb

ambient operating temperature

CONDITIONS

in free air; Tamb = 25 °C

in free air; Tamb = 150 °C

MIN.

−

−

−55

MAX.

10

2

+150

UNIT

mA

mA

°C

CHARACTERISTICS

Tamb = 25 °C, in liquid, unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

R25

TC

R100/R25

R−55/R25

τ

sensor resistance

KTY81-110

KTY81-120

KTY81-121

KTY81-122

KTY81-150

KTY81-151

KTY81-152

temperature coefficient

resistance ratio

resistance ratio

thermal time constant; note 1

rated temperature range

Icont = 1 mA

990

980

980

1 000

950

950

1 000

−

Tamb = 100 °C and 25 °C 1.676

Tamb = −55 °C and 25 °C 0.480

in still air

−

in still liquid; note 2

−

in flowing liquid; note 2 −

−55

TYP.

−

−

−

−

−

−

−

0.79

1.696

0.490

30

5

3

−

MAX.

1 010

1 020

1 000

1 020

1 050

1 000

1 050

−

1.716

0.500

−

−

−

+150

UNIT

Ω

Ω

Ω

Ω

Ω

Ω

Ω

%/K

s

s

s

°C

Notes

1. The thermal time constant is the time taken for the sensor to reach 63.2% of the total temperature difference. For

example, if a sensor with a temperature of 25 °C is moved to an environment with an ambient temperature of 100 °C,

the time for the sensor to reach a temperature of 47.4 °C is the thermal time constant.

2. Inert liquid, e.g. FC43 manufactured by the 3M company.

1998 Mar 26

3

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